<template>
  <div>
    <Shang />
    <Frist />
  </div>
</template>

<script>
import Shang from "@/components/xiaojiang/shang.vue";
import Frist from "@/components/xiaojiang/frist.vue";
export default {
  components: {
    Shang,
    Frist,
  },
  mounted() {
    if (sessionStorage.getItem("store")) {
      this.$store.replaceState(
        Object.assign(
          {},
          this.$store.state,
          JSON.parse(sessionStorage.getItem("store"))
        )
      );
    }
    //在页面刷新时将vuex里的信息保存到sessionStorage里
    window.addEventListener("beforeunload", () => {
      sessionStorage.setItem("store", JSON.stringify(this.$store.state));
    });
  },
};
</script>

<style>
</style>